88279873940 has 24 divisors (see below), whose sum is σ = 185422186152. Its totient is φ = 35305387520.

The previous prime is 88279873931. The next prime is 88279873949. The reversal of 88279873940 is 4937897288.

It is an interprime number because it is at equal distance from previous prime (88279873931) and next prime (88279873949).

It can be written as a sum of positive squares in 4 ways, for example, as 3833838724 + 84446035216 = 61918^2 + 290596^2 .

It is a super-2 number, since 2×88279873940² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88279873949) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 299081 + ... + 515760.

It is an arithmetic number, because the mean of its divisors is an integer number (7725924423).

Almost surely, 2^88279873940 is an apocalyptic number.

It is an amenable number.

88279873940 is an abundant number, since it is smaller than the sum of its proper divisors (97142312212).

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

88279873940 is a wasteful number, since it uses less digits than its factorization.

88279873940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 820267 (or 820265 counting only the distinct ones).

The product of its (nonzero) digits is 48771072, while the sum is 65.

The spelling of 88279873940 in words is "eighty-eight billion, two hundred seventy-nine million, eight hundred seventy-three thousand, nine hundred forty".