2872156770 has 96 divisors (see below), whose sum is σ = 8579450880. Its totient is φ = 653028480.

The previous prime is 2872156759. The next prime is 2872156787. The reversal of 2872156770 is 776512782.

2872156770 is a `hidden beast` number, since 2 + 87 + 2 + 1 + 567 + 7 + 0 = 666.

It is a super-2 number, since 2×2872156770² = 16498569022913665800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 108396 + ... + 132264.

It is an arithmetic number, because the mean of its divisors is an integer number (89369280).

Almost surely, 2^2872156770 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2872156770, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4289725440).

2872156770 is an abundant number, since it is smaller than the sum of its proper divisors (5707294110).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2872156770 is a wasteful number, since it uses less digits than its factorization.

2872156770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24080 (or 24077 counting only the distinct ones).

The product of its (nonzero) digits is 329280, while the sum is 45.

The square root of 2872156770 is about 53592.5066590470. The cubic root of 2872156770 is about 1421.4645951518.

It can be divided in two parts, 28721 and 56770, that added together give a triangular number (85491 = T₄₁₃).

The spelling of 2872156770 in words is "two billion, eight hundred seventy-two million, one hundred fifty-six thousand, seven hundred seventy".