69900725871 has 32 divisors (see below), whose sum is σ = 104571968000. Its totient is φ = 46145816640.

The previous prime is 69900725863. The next prime is 69900725891. The reversal of 69900725871 is 17852700996.

It is not a de Polignac number, because 69900725871 - 2³ = 69900725863 is a prime.

It is a super-2 number, since 2×69900725871² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69900725801) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1102875 + ... + 1164531.

It is an arithmetic number, because the mean of its divisors is an integer number (3267874000).

Almost surely, 2^69900725871 is an apocalyptic number.

69900725871 is a deficient number, since it is larger than the sum of its proper divisors (34671242129).

69900725871 is a wasteful number, since it uses less digits than its factorization.

69900725871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62076 (or 62070 counting only the distinct ones).

The product of its (nonzero) digits is 1905120, while the sum is 54.

The spelling of 69900725871 in words is "sixty-nine billion, nine hundred million, seven hundred twenty-five thousand, eight hundred seventy-one".