63952028955 has 64 divisors (see below), whose sum is σ = 117899857920. Its totient is φ = 32863459968.

The previous prime is 63952028951. The next prime is 63952028957. The reversal of 63952028955 is 55982025936.

63952028955 is a `hidden beast` number, since 6 + 3 + 9 + 520 + 28 + 95 + 5 = 666.

It is not a de Polignac number, because 63952028955 - 2² = 63952028951 is a prime.

It is a super-2 number, since 2×63952028955² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (63952028951) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 452334 + ... + 576636.

It is an arithmetic number, because the mean of its divisors is an integer number (1842185280).

Almost surely, 2^63952028955 is an apocalyptic number.

63952028955 is a deficient number, since it is larger than the sum of its proper divisors (53947828965).

63952028955 is a wasteful number, since it uses less digits than its factorization.

63952028955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124457 (or 124451 counting only the distinct ones).

The product of its (nonzero) digits is 5832000, while the sum is 54.

The spelling of 63952028955 in words is "sixty-three billion, nine hundred fifty-two million, twenty-eight thousand, nine hundred fifty-five".