32878457402 has 16 divisors (see below), whose sum is σ = 59678544960. Its totient is φ = 13261898688.

The previous prime is 32878457401. The next prime is 32878457459. The reversal of 32878457402 is 20475487823.

It is a super-2 number, since 2×32878457402² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (32878457401) 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, 69072152 + ... + 69072627.

It is an arithmetic number, because the mean of its divisors is an integer number (3729909060).

Almost surely, 2^32878457402 is an apocalyptic number.

32878457402 is a deficient number, since it is larger than the sum of its proper divisors (26800087558).

32878457402 is a wasteful number, since it uses less digits than its factorization.

32878457402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138144805.

The product of its (nonzero) digits is 3010560, while the sum is 50.

The spelling of 32878457402 in words is "thirty-two billion, eight hundred seventy-eight million, four hundred fifty-seven thousand, four hundred two".