67477202157 has 4 divisors (see below), whose sum is σ = 89969602880. Its totient is φ = 44984801436.

The previous prime is 67477202147. The next prime is 67477202189. The reversal of 67477202157 is 75120277476.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 67477202157 - 2¹⁶ = 67477136621 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67477202147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11246200357 + ... + 11246200362.

It is an arithmetic number, because the mean of its divisors is an integer number (22492400720).

Almost surely, 2^67477202157 is an apocalyptic number.

It is an amenable number.

67477202157 is a deficient number, since it is larger than the sum of its proper divisors (22492400723).

67477202157 is a wasteful number, since it uses less digits than its factorization.

67477202157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22492400722.

The product of its (nonzero) digits is 1152480, while the sum is 48.

The spelling of 67477202157 in words is "sixty-seven billion, four hundred seventy-seven million, two hundred two thousand, one hundred fifty-seven".